Network Center for EANET - ICP Forests

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Long-term soil acidification at the Lake Ijira Catchment, Japan pH(H2O) 5.4 5.2 5 4.8 4.6 4.4 a)Suface soil pH(H 2 O) Plot 37 Plot 38 Plot 41 Plot 46 Plot 49 5.4 5.2 5 4.8 4.6 4.4 b)Subsoil pH(H 2 O) Plot 37 Plot 38 Plot 41 Plot 46 Plot 49 4.2 4.2 4 4 3.8 3.6 1988 1990 1992 1994 1996 1998 2000 2002 2004 3.8 3.6 1988 <strong>EANET</strong> monitoring No clear soil acidification has been observed at other sites. 1990 1992 1994 1996 1998 2000 2002 2004
Current condition of tree decline Current condition of tree decline 100 90 80 70 60 50 40 30 % of declined trees 20 10 Jinyunshan No.1 Jinyunshan No.2 Dabagou XPZ-01 XPZ-02 XPZ-03 XPZ-04 Zhuxiandong No.1 Zhuxiandong No 2 Zhuxiandong No 3 Lake Ijira Yamato Banryu Iwami-rinku FP Mt. Makilling UP Quezon-Land Grant Mt. Naejang Bolshie Koty Irkutsk Mondy Vachiralongkorn Puye Vachiralongkorn Dam 0 natural factors unknown factors insect or disease cn jp ph kr ru th No clear evidence of acid deposition/air pollution (<strong>EANET</strong>, 2006)
Page 1 and 2: Recent Progress of ecological monit
Page 3 and 4: Framework of EANET and scientific b
Page 5 and 6: Ecological monitoring sites (as of
Page 7 and 8: Mandatory items for soil analysis:
Page 9: Mandatory items for forest monitori
Page 13 and 14: High ozone concentration in a tropi
Page 15 and 16: Specific works by the Task Force on

Network Center for EANET - ICP Forests

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